#include <apue.h>
#include <error.h>
#include <fcntl.h>
int main(int argc, char **argv){
    int i;
    struct stat buf;
    char *ptr;
    for(i = 1; i < argc; i++){
        printf("%s: \n", argv[i]);
        if(lstat(argv[i], &buf) < 0){
            err_ret("lstat error");
            continue;
        }
        if(S_ISREG(buf.st_mode)){
            ptr = "regular";
        }else if(S_ISDIR(buf.st_mode)){
            ptr = "directory";
        }else if(S_ISCHR(buf.st_mode)){
            ptr = "character special";
        }else if(S_ISFIFO(buf.st_mode)){
            ptr = "fifo";
        }else if(S_ISBLK(buf.st_mode)){
            ptr = "block special";
        }else if(S_ISLNK(buf.st_mode)){
            ptr = "symbolic link";
        }else if(S_ISSOCK(buf.st_mode)){
            ptr = "socket";
        }else{
            ptr = "unknown mode";
        }
        printf("%s\n",ptr);
    }
    exit(0);
}